A matrix {A} is such that {A}^{2}=2 {A}-{I}, where {I}is unity matrix, then for {n} \\geq2, {A}^{{n}} is equal to

Correct Answer is : nA−(n−1)I

UPSEE 2018 Solved Paper

Question : 129 of 150

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A matrix A is such that A2=2A−I, where Iis unity matrix, then for n≥2,An is equal to

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